1.Which compound would NOT display hydrogen bonding? Select one: a. NH3 b. H2S c. water d. HF
2.An oil has a density of 0.78 g/mL. It has a mass of 3.6 Kg. What is the volume of the oil? Select one: a. 4600 mL b. 4 L c. 2.9 L d. 4615 mL
1.Which compound would NOT display hydrogen bonding? Select one: a. NH3 b. H2S c. water d....
Which pure substance exhibits hydrogen bonding? a. NH3 b. B2H6 c. HBr d. H2S e. CaH2
Which of the following molecules is nonpolar? a. H2 b. HF c. HCl d. HI e. HBr Which of the following molecules can participate in Hydrogen bonding? a. HF b. CO2 c. CH4 d. H2S Which of the following molecules is polar? a. H2O b. CO2 c. CH4 d. N2 e. None of the above In lab, temperature changes caused by ________________ of liquids will be related to the strength of intermolecular forces. a. Evaporation b. Mass c. Density d....
In which pair do both compounds exhibit predominantly ionic bonding? Select one: a. BaF2 and H20 b. Na2SO3 and NH3 C. SCL and HF O d. KI and 03 e. RbCl and MgS
Which of these molecules has the highest boiling point? A. CF4 B. H2S C. NH3 D. HBr E. All are equal.
63. Which of these molecules would be pyramidal? a. NH3 b. CH4 c. H2O d. HF e. All of these are correct! 64. Which of these molecules would NOT have an underlying geometry that is tetrahedral? a. NH3 b. CH4 c. H2O d. HF 65. Which of these molecules is least polar? a. NH3 b. CH4 c. H2O d. HF 66. The balanced reaction of lithium hydroxide and hydrogen carbonate is: a. 2LiOH + H2CO3...
The conjugate acid of NH3 is Select one a. NH21+ b. NH4 Ở c. NH21- Ô d, NH4OH e. There is not conjugate acid of this compound. The conjugate base of NH4+ is Select one: a. NH3 b. NH2 C. NH31+ d. NH3- e. There is no conjugate base of this ion. The formula for the conjugate base of HCO3- is Select one: a. co32 b. H2CO3 OC. CO2 d. C031- The conjugate acid of H20 is Select one: a....
Which of the following molecules can form hydrogen bonds? Select all that apply. A. NH3 B. NaH C. DNA (this is a large polar molecule with the lots of oxygen and nitrogen atoms) D. H2O E. CH4 F. HI G. BH3 H. benzene (C6H6) Note: According to the Fisher Scientific MSDS, the solubility of benzene in water is very low so it is effectively insoluble. Solubility: 0.180 g/100 ml @ 25°C https://fscimage.fishersci.com/msds/02610.htm
17. Select the most acidic hydrogen in the compound shown below: A. HO C D. B. 18. Addition of methyl lithium to the enone below generates the product shown after treatment with acid and water. Select the key intermediate in the mechanism for the last step: но Meli H. SO OME H2O HO Ho'o OH H20 OME OME 3. C D. A
Which of the following molecules can participate in hydrogen bonding? Select one: O A. HCC F I-U-I I-O-I I-D-I hon B. H-C-C-C-H I I- -U-I I-U-I -I * H H H
Which of the following substances has covalent bonding? Select one: a. Al2O3 b. CaF2 c. Cl2 d. K2S